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Question:
(a) Besides privacy, what other security functions does Pretty Good Privacy (PGP) provides?
(b) What is the Post Office Protocol (POP) used for? Why is it important that POP uses authentication, whereas the Simple Mail Transfer Protocol (SMTP) does not?
(c) When worms attack the e-mail client, the e-mail servers (the Mail Transfer Agent (MTA) and the Mail Delivery Agent (MDA)) get overwhelmed as well. Explain why.
(d) What do you meant by spam? Blocking lists are typically used to prevent spam. Discuss the effectiveness of using blocking list. How do ISPs prevent their clients from sending spam?
(e) What do you understand by the term Virtual Private network (VPN)? Describe how IPSec can be used to implement a VPN.
(f) Compare and contrast IPSec and SSH.
Information asset classification-risk management A number of organizations have data classification schemes (for instance confidential, internal, public data). The classificat
QUESTION: (a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. Give the source MAC address for the frame in hexadecimal; the sourc
Question 1: Why do we need a Law of Contract? a Explanation Reasons to have a law of contract b Explain the close procurement project process - Explanation (causes,
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Problem a) Give three reasons why traditional Network Design approach is less appropriate for many of today's networks? b) The network requires of users are organized into m
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